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slega [8]
2 years ago
15

The ________ is the site where lipids, triglycerides, and steroids are synthesized, as well as where calcium is stored within th

e cell.
Biology
1 answer:
Ulleksa [173]2 years ago
4 0

Answer:

smooth endoplasmic reticulum

Explanation:

Smooth endoplasmic reticulum differs from the rough endoplasmic reticulum in not having ribosomes on its surface. The smooth endoplasmic reticulum (SER) extends from the rough ER and forms a network of membrane tubules. The function of the smooth ER is to serve as a site for the synthesis of lipids, fatty acids, and steroids such as estrogens and testosterone.

Enzymes for the synthesis of these diverse biomolecules are present in smooth ER. The smooth ER present in the muscle cells is called the sarcoplasmic reticulum. It stores the calcium ions which are released into the sarcoplasm of muscle cells during muscle contraction.

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One mole of glucose contains 2870 kJ of energy. The hydrolysis of one mole of ATP releases 30.7 kJ of energy. Calculate the perc
Galina-37 [17]

The answer is:

Total used energy is the energy released by the hydrolysis of one mole of ATP and it is 30.7 kJ.  

Total possible energy (used pus released as a heat) is 2870 kJ.

So, we calculate total used/total possible=30.7/2870=0.01069 or 0.017. Expressed in percentage: 1.07% energy is used.


8 0
2 years ago
The dandelion is a successful weed. Explain why its adaptations make it a better competitor than many other plants on a school f
Taya2010 [7]

Answer:

The correct answer is - dandelion weeds adapted many tricks to reduce all other competitors as it is invasive species.

Explanation:

The dandelion is a successful weed. It's got a lot of adaption to eliminate or dominate other plants and weeds, such as ethylene gas released by its rosette of leaves that prevent other plants from growing near dandelion.

Seeds of dandelion also adapted seed dispersion tactic by seed-parachutes into the wind.  Dandelion weed does not require to be pollinated and rapidly increases their numbers. Dandelion has a taproot that goes deep into the soil, up to three feet down for water and nutrients.

5 0
2 years ago
When two extreme phenotypes are crossed and all of the progeny have an intermediate phenotype, what might be the cause? 1:comple
shusha [124]
If the extreme phenotypes are crossed while the progeny have intermediate phenotypes, then it would be an incomplete dominance. Which would be B.
6 0
2 years ago
Which of the following options best depicts the flow of information when a gene directs the synthesis of a cellular component? A
tangare [24]

Answer:

B) DNA → RNA → protein

Explanation:

  • Gene directs the synthesis of a cellular component through what is called gene expression.
  • During gene expression, information from the DNA is used to synthesis proteins, through the process of transcription followed by translation.
  • Transcription is the process that involves use of information carried by DNA to generate messenger RNA, in the nucleus of a cell. Then translation which uses the information carried by the mRNA to generate proteins in the organelles known as ribosomes.
6 0
2 years ago
If the process illustrated in the diagram is interrupted by a chemical at point X, there would be an immediate effect on the rel
mojhsa [17]
I THINK THE ANSWER IS 3 carbon dioxide
5 0
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